EQ7 Series Instruction Manual - TECO-Westinghouse Motor Company

11.2 Common Specifications
Item Specifications Remarks
Output
Functional safety
Control
Setting range
Maximum frequency
Base frequency
• 25 to 500 Hz CT-Vector, V/f control *1,*2)
• 25 to 200 Hz (CT-Vector, Vector control w/PG*7)
• 25 to 120 Hz (CT-Vector, sensorless vector control *6, Variable Torque and Constant Torque , various controls,*1 to 7)
25 to 500 Hz variable setting (Variable Torque (Model EQ7-x0P5-C or above) and Constant Torque mode : 120Hz)
Starting frequency 0.1 to 60.0 Hz variable setting (sensorless vector control*6/ vector control w/PG, 0.0 Hz for *7)
Carrier frequency
Output frequency Accuracy
(Stability)
Setting resolution
Speed control range
Speed control accuracy
Stop function Response time SIL
PFH Category
Performance level
Control method
Voltage/freq. characteristic
Torque boost
• 0.75 to 16 kHz variable setting (CT-Vector: EQ7-x0P5-C to EQ7-x100-C, Variable Torque:EQ7-x0P5-C to EQ7-x040-C
• 0.75 to 10 kHz variable setting CT-Vector : EQ7-x125-C to EQ7-x800-C, Variable Torque: EQ7-x050-C to EQ7-x100-C
• 0.75 to 6 kHz variable setting CT-Vector: EQ7-x900-C to EQ7-x1000-C Variable Torque: EQ7-x125-C to EQ7-x900-C)
• 0.75 to 4 kHz variable setting Variable Torque: EQ7-x1000-C
• 0.75 to 2kHz variable setting Constant Torque: EQ7-x150-C to EQ7-x800-C
NOTE: Frequency drops automatically to protect the inverter depending on environmental temperature and output current.
(This auto drop function can be cancelled.)
• Analog setting: ±0.2% of max. frequency (at 25 ±10 °C)*1
• Digital setting: ±0.01% of max. frequency (at -10 to +50 °C)
• Analog setting: Analog setting: 1/3000 of max. frequency (1/1500 with V2 input)
• Keypad setting: 0.01Hz (99.99Hz or less), 0.1Hz (100.0 to 500Hz)
• Link setting: 1/20000 of max. frequency or 0.01 Hz (fixed)
• Min. speed: Base speed 1:1500 (4P 1r/min to 1500r/min) *7
• Min. speed: Base speed 1:200 (4P 7.5r/min to 1500r/min) *6
• Min. speed: Base speed 1:4 *7
• Min. speed: Base speed 1:2 *6
• Analog setting: ±0.2% of max. frequency (at 25±10 ) *7
• Digital setting: ±0.01% of max. frequency (at -10 to +50 )
• Analog setting: ±0.5% or below of base speed (at 25±10 ) *6
• Digital setting: ±0.5% or below of base speed (at -10 to +50 )
• Safe torque off
• 50ms or less
• SIL 2
• 1.7×10^-9
(STO: acc.EN61800-5-2:2007)
(delay time to "Safe torque off" from turning off either terminal [EN1] or [EN2]
(Safety integrity level)
(Probability of a dangerous random hardware failure per hour)
• 3 (EN ISO 13849-1:2008)
• d (EN ISO 13849-1:2008)
• V/f control *1
• Dynamic torque control *2
• Vector control without speed sensor *6
• Vector control with speed sensor (with an optional PG interface card mounted) *7
230 V
serie
s
460 V
serie
s
Base frequency and max. output frequency can be set to 80 to 240V in common.
The AVR control ON/OFF can be selected. *1
Non-linear V/f setting (3 points) Free voltage (0 to 240V) and frequency (0 to 500Hz) can be set. *1
Base frequency and max. output frequency can be set to 160 to 500V in common.
The AVR control ON/OFF can be selected. *1
Non-linear V/f setting (3 points) Free voltage (0 to 500V) and frequency (0 to 500Hz) can be set. *1
• Auto torque boost (for constant torque load) *1 to *2
• Manual torque boost: Desired torque boost (0.0 to 20.0%) can be set. *1
• Select application load with function code F37. (Variable torque load or constant torque load) *1
Starting torque
Constant Torque mode)
• EQ7-x040-C or below: 200% or higher, EQ7-x050-C or above: 180% or higher/set frequency: 0.3Hz *6
• EQ7-x040-C or below: 200% or higher, EQ7-x050-C or above: 180% or higher/set frequency: 0.3Hz :Base frequency
50Hz, slip compensation and auto torque boost operation *1 to*2
Keypad
• Multi-function keypad: Start and stop with FWD, REV, and STOP keys
Start/stop operation
External signals (digital inputs): Forward (Reverse) rotation, stop command (capable of 3-wire operation), coast-to-stop command,
external alarm, alarm reset, etc.
Link operation: Operation through RS-485 or field bus (option) communications.
Switching operation command: Remote/Local switching, link switching
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